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发明名称
Constant current system
摘要
申请公布号
US2431248(A)
申请公布日期
1947.11.18
申请号
US19440566721
申请日期
1944.12.05
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
HARTWIG EDWARD C.
分类号
B23K11/24
主分类号
B23K11/24
代理机构
代理人
主权项
地址
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Key
